#4B110B#4B110B

#4B110B is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.8% C 0.088 H 29.7°. Best body text is #FFFFFF at 15.17:1 contrast (WCAG AA passes).

Color values

HEX	#4B110B
RGB	rgb(75, 17, 11)
HSL	hsl(6, 74%, 17%)
HSV	hsv(6, 85%, 29%)
CMYK	cmyk(0%, 77.3%, 85.3%, 70.6%)
CIE-LAB	lab(15.07, 26.91, 18.53)
CIE-LCH	lch(15.07, 32.67, 34.56°)
OKLab	oklab(27.82% 0.0769 0.0438)
OKLCH	oklch(27.82% 0.089 29.7)
XYZ	xyz(3.1629, 1.9214, 0.5209)
Luminance	0.0192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B110B #0B454B

analogous

#4B0B25 #4B110B #4B310B

triadic

#4B110B #0B4B11 #110B4B

tetradic

#4B110B #254B0B #0B454B #310B4B

square

#4B110B #254B0B #0B454B #310B4B

split-complementary

#4B110B #0B4B31 #0B254B

monochromatic

#1B0604 #1B0604 #4B110B #801D13 #B6291B

Accessibility & contrast

On white

15.17

#4B110B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#4B110B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B110B

15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B110B	#FFFFFF	#000000	##FFFFFF
##4B110B	1.00	15.17	1.38	15.17
#FFFFFF	15.17	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221E0A

Deuteranopia (green-blind)

#302A09

Tritanopia (blue-blind)

#530110

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #4b110b;
/* rgb */ color: rgb(75, 17, 11);
/* oklch */ color: oklch(27.8% 0.088 29.7);

Tailwind

colors: {
  custom: {
    50: '#83534b',
    500: '#4b110b',
    950: '#000000',
  },
}

SCSS

$custom: #4b110b;
$custom-light: #83534b;
$custom-dark: #000000;

JSON

{
  "hex": "#4b110b",
  "rgb": {
    "r": 75,
    "g": 17,
    "b": 11
  },
  "hsl": {
    "h": 5.625,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.27815,
    "c": 0.0885,
    "h": 29.7
  },
  "luminance": 0.01921
}

Semantic roles & 50–950 ramp

primary

#4B110B

secondary

#2B7F87

accent

#E0F137

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0C0301

muted

#7D7877

Preview Lab

Preview with #4B110B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →